Xamarin App在啓動時立即關閉

Question

你好
我已經安裝了VS studio 2017社區與xamarin工具並創建了一個新的Android項目。當我嘗試啓動應用程序時，它會立即打開並關閉（眨眼之間），並且不會出現錯誤。 我使用的Android設備監視器，查看什麼問題，我得到這個

04-13 17:50:41.162: E/AndroidRuntime(16229): Process: xApp1.xApp1, PID: 16229 
04-13 17:50:41.162: E/AndroidRuntime(16229): java.lang.RuntimeException: Unable to get provider mono.MonoRuntimeProvider: java.lang.RuntimeException: 
Unable to find application Mono.Android.DebugRuntime! 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.installProvider(ActivityThread.java:5536) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.installContentProviders(ActivityThread.java:5106) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5031) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.access$1500(ActivityThread.java:185) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1628) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.os.Handler.dispatchMessage(Handler.java:111) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.os.Looper.loop(Looper.java:194) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.main(ActivityThread.java:5847) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at java.lang.reflect.Method.invoke(Native Method) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at java.lang.reflect.Method.invoke(Method.java:372) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1010) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805) 
04-13 17:50:41.162: E/AndroidRuntime(16229): Caused by: java.lang.RuntimeException: Unable to find application Mono.Android.DebugRuntime! 
04-13 17:50:41.162: E/AndroidRuntime(16229): at mono.MonoRuntimeProvider.attachInfo(MonoRuntimeProvider.java:47) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ActivityThread.installProvider(ActivityThread.java:5533) 
04-13 17:50:41.162: E/AndroidRuntime(16229): ... 11 more 
04-13 17:50:41.162: E/AndroidRuntime(16229): Caused by: android.content.pm.PackageManager$NameNotFoundException: Mono.Android.DebugRuntime 
04-13 17:50:41.162: E/AndroidRuntime(16229): at android.app.ApplicationPackageManager.getApplicationInfo(ApplicationPackageManager.java:296) 
04-13 17:50:41.162: E/AndroidRuntime(16229): at mono.MonoRuntimeProvider.attachInfo(MonoRuntimeProvider.java:41) 
04-13 17:50:41.162: E/AndroidRuntime(16229): ... 12 more 

Answer 1

我找到了解決方案。
我的設備是魅族M2注它有flymeOs 5（android 5.1）。
由於它有2種模式：普通模式和訪客模式，調試時，應用程序安裝在兩種模式下。所以我所要做的就是登錄到訪客模式並刪除應用程序。

Answer 2

嘗試以下操作：

1. adb uninstall <package name>

2. adb uninstall Mono.Android.DebugRuntime

3. adb uninstall Mono.Android.Platform.ApiLevel_X（其中X是API級別）

這應該將您的環境設置爲全新狀態並重新部署。如果您需要獲取軟件包列表以查看安裝的API級別，請使用adb shell pm list packages -f